US Patent: 728,263
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Rotary Engine
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Patentees:
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William H. Masterman (exact or similar names) - Allegan, Allegan County, MI |
Joseph P. Magney (exact or similar names) - Allegan, Allegan County, MI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jul. 22, 1902 |
Granted: |
May 19, 1903 |
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Joel Havens
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